Patents by Inventor Jack D. Junttila

Jack D. Junttila has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for grinding graphite
    Patent number: 4533086
    Abstract: Disclosed is a process for grinding graphite comprising:(1) forming a mixture of graphite and a graphite grinding aid;(2) grinding the mixture of graphite and graphite grinding aid to reduce the size of the graphite;(3) forming an aqueous slurry of the graphite particles, graphite grinding aid and water;(4) adding an amount of hydrocarbon oil to the aqueous slurry with agitation to form graphite-oil agglomerates;(5) separating the graphite-oil agglomerates from the grinding aid and water; and(6) removing hydrocarbon oil from the graphite-oil agglomerates to provide graphite particles reduced in size.
    Type: Grant
    Filed: December 27, 1982
    Date of Patent: August 6, 1985
    Assignee: Atlantic Richfield Company
    Inventor: Jack D. Junttila